Answer:
Check the graph below. 
Step-by-step explanation:
A Regular Pentagon has an interior angle of 108º an an exterior angle of 72º.
Since the perimeter is 20 cm, let's draw it respecting it those properties, besides all of the three sides must have the same measure.
And since we can divide it, into three triangles, we can calculate the area using tangent.
So, let's find out the area:

So check it down
Answer:
5
Step-by-step explanation:
3 is half of 6, so since half of 10 is 5 I'd say 5.
I hope this helped <3
Answer:
. B. For every 8 french fries, there is 1 packet of ketchup
Step-by-step explanation:
THIS ARE THE OPTIONS FOR THE QUESTION
A. There are 7 more french fries than packets of ketchup. B. For every 8 french fries, there is 1 packet of ketchup. C. For every 8 packets of ketchup, there is 1 french fry. D. There are 8 more french fries than packets of ketchup.
Ratio expresses quotient of two mathematical expressions. It gives relationship in term of quantity, amount existing between two or more things. From the question, it shows that when ever there is 8 french fries, there would be 1 packet of ketchup. I.e french fries and ketchup are in ratio of 8:1